NZQA Expiring unit standard / 237 version 10
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Title / Describe automotive brake, steering, and suspension systems, and their operation
Level / 2 / Credits / 3
Purpose / This theory based unit standard is for people who wish to enter or are employed in the automotive repair industry. People credited with this unit standard are able to demonstrate knowledge of: a braking system; an automotive steering system; and an automotive suspension.
Classification / Motor Industry > Automotive Preventative Maintenance
Available grade / Achieved

Explanatory notes

None.

Outcomes and evidence requirements

Outcome 1

Demonstrate knowledge of a braking system.

Rangehydraulic, air;

cars, commercial vehicles, motorcycles;

service brake, parking brake, emergency brake.

Evidence requirements

1.1The components and layout of each braking system are described according to manufacturer’s workshop manual descriptions, and the function of each component is defined.

1.2The operation of each of the assembled systems is described according to manufacturer’s workshop manual descriptions.

Outcome 2

Demonstrate knowledge of an automotive steering system.

Rangerack and pinion, recirculating ball steering box.

Evidence requirements

2.1The components of each steering system, their function, and their positions on the vehicle and machine are described according to manufacturer’s workshop manual descriptions.

2.2The purpose of each of the steering angles is described according to text book descriptions.

Rangecamber, caster, toe, toe out on turns.

Outcome 3

Demonstrate knowledge of an automotive suspension.

Rangecoil spring, shock absorbers, leaf spring, motorcycle systems, rubber, pneumatic, torsion bar.

Evidence requirements

3.1The components of each suspension system, their function, and their positions on the vehicle and machine are described according to manufacturer’s workshop manual descriptions.

3.2The operating principles of each suspension system are described according to text book descriptions.

Replacement information / This unit standard has been replaced by unit standard 21720 and unit standard 21721.

This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.

Status information and last date for assessment for superseded versions

Process / Version / Date / Last Date for Assessment
Registration / 1 / 28 February 1993 / 31 December 2016
Review / 2 / 4 August 1995 / 31 December 2016
Revision / 3 / 30 October 1997 / 31 December 2016
Revision / 4 / 28 May 1998 / 31 December 2016
Review / 5 / 20 December 1998 / 31 December 2016
Revision / 6 / 13 March 2001 / 31 December 2016
Revision / 7 / 16 October 2003 / 31 December 2016
Rollover / 8 / 25 July 2006 / 31 December 2016
Rollover / 9 / 19 November 2010 / 31 December 2016
Rollover / 10 / 18 February 2016 / 31 December 2020
Consent and Moderation Requirements (CMR) reference / 0014

This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.

Please note

Providers must be granted consent to assess against standards (accredited) by NZQA, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.

Industry Training Organisations must be granted consent to assess against standards by NZQA before they can register credits from assessment against unit standards.

Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards.

Consent requirements and an outline of the moderation system that applies to this standard are outlined in the Conesnt and Moderation Requirements (CMR). The CMR also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.

NZ Motor Industry Training Organisation (Incorporated)
SSB Code 101542 / New Zealand Qualifications Authority 2019